Graph f(x)=2x+1 and g(x)=−x+7 on the same coordinate plane. what is the solution to the equation f(x)=g(x) ? enter your answer in the box. x =

Someone answer this asap for the length, in feet, of a rectangular rug is represented by the expression 5x² + 2x. the width, in feet, is represented by the expression 3x². which expression represents the perimeter, in feet, of the rug? a. 8x² + 2x b. 8x² + 4x c. 16x² + 2x d. 16x² + 4x